There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
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Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
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A cow produces around 200,000 glasses of milk in her lifetime.
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Your thumb is about the same size as your nose.
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Mars had an oxygen-rich atmosphere around 4 billion years ago
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